<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '350px'
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    chartData: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      chart: null
    }
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.setOptions(val)
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      this.setOptions(this.chartData)
    },
    setOptions({ electricLineData, electricBarData } = {}) {
      this.chart.setOption({
        backgroundColor: '#2C2C37',
        xAxis: {
          data: ['00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12', '13', '14', '15',
            '16', '17', '18', '19', '20', '21', '22', '23'],
          boundaryGap: false,
          axisTick: {
            show: false
          },
          axisLabel: {
            textStyle: {
              color:  '#fff',
              fontSize:11
            }
          },
          axisLine: {
            lineStyle: {
              color: '#2C2C37',
            }
          },
        },
        grid: {
          left: 10,
          right: 10,
          bottom: 20,
          top: 30,
          containLabel: true
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross'
          },
          padding: [5, 10]
        },
        yAxis: {
          axisTick: {
            show: false
          },
          axisLabel: {
            textStyle: {
              color:  '#999',
              fontSize:10
            }
          },
          axisLine: {
            lineStyle: {
              color: '#2C2C37',
            }
          },
          splitLine: {
            show: true,
            lineStyle: {
              color: '#424356',
              width: 1,
            }
          },
          splitArea : {show : false}//去除网格区域

        },
        legend: {
          data: ['expected', 'actual']
        },
        series: [{
          name: 'line',
          symbol: "none",
          itemStyle: {
            normal: {
              color: '#fff',
              lineStyle: {
                color: '#3B55FF',
                width: 3
              }
            }
          },
          smooth: true,
          type: 'line',
          data: electricLineData,
          animationDuration: 2800,
          animationEasing: 'cubicInOut'
        },
        {
          name: 'bar',
          type: 'bar',
          markPoint: {
            data: [
              {type: 'max', name: '最大值'},
            ]
          },
          itemStyle: {
            normal: {
              color: '#3888fa',
              lineStyle: {
                color: '#3B55FF',
                width: 5
              },
              areaStyle: {
                color: '#f3f8ff'
              }
            }
          },
          data: electricBarData,
          animationDuration: 2800,
          animationEasing: 'quadraticOut'
        }]
      })
    }
  }
}
</script>
